82 lines
2.1 KiB
Plaintext
82 lines
2.1 KiB
Plaintext
{
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"name": "sdsmoothboolean",
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"node_position": {
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"x": 0,
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"y": 0
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},
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"parameters": {
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"k": 0.15,
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"op": 0
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},
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"shader_model": {
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"code": "",
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"global": "float sdSmoothUnion( float d1, float d2, float k ) {\n float h = clamp( 0.5 + 0.5*(d2-d1)/k, 0.0, 1.0 );\n return mix( d2, d1, h ) - k*h*(1.0-h); }\n\nfloat sdSmoothSubtraction( float d1, float d2, float k ) {\n float h = clamp( 0.5 - 0.5*(d2+d1)/k, 0.0, 1.0 );\n return mix( d2, -d1, h ) + k*h*(1.0-h); }\n\nfloat sdSmoothIntersection( float d1, float d2, float k ) {\n float h = clamp( 0.5 - 0.5*(d2-d1)/k, 0.0, 1.0 );\n return mix( d2, d1, h ) + k*h*(1.0-h); }\n",
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"inputs": [
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{
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"default": "0.0",
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"label": "",
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"longdesc": "The first shape, defined as a signed distance function",
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"name": "in1",
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"shortdesc": "Input1",
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"type": "sdf2d"
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},
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{
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"default": "0.0",
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"label": "",
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"longdesc": "The second shape, defined as a signed distance function",
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"name": "in2",
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"shortdesc": "Input2",
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"type": "sdf2d"
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}
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],
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"instance": "",
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"longdesc": "Performs a smooth boolean operation (union, intersection or difference) between two shapes",
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"name": "sdSmoothBoolean",
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"outputs": [
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{
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"longdesc": "The shape generated by the boolean operation",
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"sdf2d": "sdSmooth$op($in1($uv), $in2($uv), $k)",
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"shortdesc": "Output",
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"type": "sdf2d"
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}
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],
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"parameters": [
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{
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"default": 0,
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"label": "",
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"longdesc": "The operation performed by this node",
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"name": "op",
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"shortdesc": "Operation",
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"type": "enum",
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"values": [
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{
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"name": "Union",
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"value": "Union"
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},
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{
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"name": "Subtraction",
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"value": "Subtraction"
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},
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{
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"name": "Intersection",
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"value": "Intersection"
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}
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]
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},
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{
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"control": "None",
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"default": 0,
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"label": "",
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"longdesc": "The smoothness of the boolean operation",
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"max": 1,
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"min": 0,
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"name": "k",
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"shortdesc": "Smoothness",
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"step": 0.01,
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"type": "float"
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}
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],
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"shortdesc": "sdSmoothBoolean"
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},
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"type": "shader"
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} |